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EL-5230
Sharp EL-5230 User Manual
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1
Intr
oduction
Appendix
Chapter 1:
Bef
ore
Y
ou Get Star
ted
Chapter 2:
General Inf
ormation
Chapter 3:
Scientific Calculations
Chapter 4:
Statistical Calculations
Chapter 5:
Equation Solver
s
Chapter 6:
Comple
x Number Calculations
Chapter 7:
Pr
ogramming
Chapter 8:
Application Examples
SHARP EL-5230/5250
Pr
ogrammab
le Scientific Calculator
2
4
Table of Contents
Default Chapter
4
Table of Contents
4
Introduction
9
Operational Notes
10
Key Notation in this Manual
11
Chapter 1: Before You Get Started
13
Preparing to Use the Calculator
13
Resetting the Calculator
13
The Hard Case
14
Calculator Layout and Display Symbols
15
Operating Modes
17
Selecting a Mode
17
What You Can Do in each Mode
17
A Quick Tour
18
Turning the Calculator on and off
18
Entering and Solving an Expression
18
Editing an Expression
19
Using Variables
20
Using Simulation Calculations (ALGB)
21
Using the Solver Function
23
Other Features
24
Chapter 2: General Information
25
Clearing the Entry and Memories
25
Memory Clear Key
25
Editing and Correcting an Equation
26
Cursor Keys
26
Overwrite Mode and Insert Mode
26
Delete Key
27
Multi-Entry Recall Function
27
The SET up Menu
28
Determination of the Angular Unit
28
Selecting the Display Notation and Number of Decimal Places
28
Setting the Floating Point Numbers System in Scientific Notation
28
Using Memories
29
Using Alphabetic Characters
29
Using Global Variables
29
Using Local Variables
30
Using Variables in an Equation or a Program
31
Using the Last Answer Memory
32
Global Variable M
32
Using Memory in each Mode
33
Resetting the Calculator
34
Chapter 3: Scientific Calculations
35
NORMAL Mode
35
Arithmetic Operations
35
Constant Calculations
36
Functions
36
Math Menu Functions
38
Differential/Integral Functions
40
Differential Function
40
Integral Function
41
When Performing Integral Calculations
42
Random Function
43
Random Numbers
43
Random Dice
43
Random Coin
43
Random Integer
43
Angular Unit Conversions
44
Chain Calculations
44
Fraction Calculations
45
Binary, Pental, Octal, Decimal and Hexadecimal Operations (N-Base)
46
Time, Decimal and Sexagesimal Calculations
48
Coordinate Conversions
49
Calculations Using Physical Constants
50
Calculations Using Engineering Prefixes
52
Modify Function
53
Solver Function
54
Entering and Solving an Equation
54
Changing the Value of Variables and Editing an Equation
54
Solving an Equation
55
Important Notes
56
Simulation Calculation (ALGB)
57
Entering an Expression for Simulation Calculation
57
Changing a Value of Variables and Editing an Expression
57
Simulate an Equation for Different Values
58
Filing Equations
60
Saving an Equation
60
Loading and Deleting an Equation
61
Chapter 4: Statistical Calculations
63
Single-Variable Statistical Calculation
64
Linear Regression Calculation
64
Exponential Regression, Logarithmic Regression, Power Regression, and Inverse Regression Calculation
64
Quadratic Regression Calculation
65
Data Entry and Correction
65
Data Entry
65
Data Correction
65
Statistical Calculation Formulas
67
Normal Probability Calculations
68
Statistical Calculations Examples
69
Chapter 5: Equation Solvers
71
Simultaneous Linear Equations
71
Quadratic and Cubic Equation Solvers
73
Chapter 6: Complex Number Calculations
75
Complex Number Entry
75
Chapter 7: Programming
77
PROG Mode
77
Entering the PROG Mode
77
Selecting the NORMAL Program Mode or the NBASE Program Mode
77
Programming Concept
77
Keys and Display
78
Creating a NEW Program
78
Use of Variables
79
Programming Commands
81
Input and Display Commands
81
Flow Control
83
Equalities and Inequalities
84
Statistical Commands
85
Editing a Program
86
Error Messages
87
Deleting Programs
88
Chapter 8: Application Examples
89
Programming Examples
89
Some Like It Hot (Celsius-Fahrenheit Conversion)
89
The Heron Formula
91
Or Not 2B (N-Base Conversion)
93
T Test
95
A Circle that Passes through 3 Points
97
Radioactive Decay
99
Delta-Y Impedance Circuit Transformation
101
Obtaining Tensions of Strings
104
Purchasing with Payment in N-Month Installments
106
Digital Dice
108
How Many Digits Can You Remember
109
Calculation Examples
112
Geosynchronous Orbits
112
Twinkle, Twinkle, Little Star (Apparent Magnitude of Stars)
113
Memory Calculations
115
The State Lottery
116
Appendix
117
Battery Replacement
117
Batteries Used
117
Notes on Battery Replacement
117
When to Replace the Batteries
117
Cautions
118
Replacement Procedure
118
Automatic Power off Function
119
The OPTION Menu
120
The OPTION Display
120
Contrast
120
Memory Check
120
Deleting Equation Files and Programs
121
If an Abnormal Condition Occurs
121
Error Messages
122
Using the Solver Function Effectively
123
Newton's Method
123
Dead End' Approximations
123
Range of Expected Values
123
Calculation Accuracy
124
Changing the Range of Expected Values
124
Equations that Are Difficult to Solve
125
Technical Data
126
Calculation Ranges
126
Memory Usage
128
Priority Levels in Calculations
129
Specifications
130
For more Information about Scientific Calculators
131
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Sharp EL-5230 Specifications
General
Brand
Sharp
Model
EL-5230
Category
Calculator
Language
English
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